#define _CRT_SECURE_NO_WARNINGS 
#include <stdio.h>
int my_strlen(char arr[])
{
	int t = 0;
	while (*arr++)
	{
		t++;
	}
	return t;
}
int main()
{
	char arr[] = { "one last kiss" };
	printf("%d\n", strlen(arr));
	printf("%d\n", my_strlen(arr));
	return 0;
}